Labor unions made their largest membership gains in

A) 1900-1915.
B) 1915-1930.
C) 1935-1950.
D) 1965-1980.
E) 1980-1995.

Membership Gains

Benefits or advantages gained from being part of a group, organization, or community, often in terms of access to resources or opportunities.

Labor Unions

Organizations that represent the collective interests of workers in negotiations with employers regarding wages, benefits, and working conditions.